romney claims president obama hasn't been tough enough. and this morning, the obama campaign is slamming romney for his investment in chinese companies. >>> new worries on wall street. global stocks down sharply today, partly because of growing unrest in europe. violent protests erupted in spain and greece, against severe new government spending cuts. >>> meanwhile, here at home, despite encouraging news about the housing market, investors are concerned after the federal reserve announced that he's not sure the fed's pollies will be enough to get the economy going again. >>> and the nfl and the locked out referees have reportedly returned to the bargaining table, amid the controversial call by replacement referees monday night. green bay lost that game, sort of. and now, the city's mayor has written a letter to roger goodell saying the scandal jeopardizes green bay's economy. >>> and coppertone sunscreen, will settle a lawsuit for claiming it was water-proof. >>> and whitney houston's daughter, bobbi kristina. tmz says she was a passenger